In this review, we will be comparing Leica APO-Summicron-SL 50mm F2 ASPH and Sigma 50mm F1.4 DG HSM A, two Standard Prime lenses from Leica and Sigma. Both cameras have the same focal range of 50mm but different max apertures: Leica APO-Summicron-SL 50mm F2 ASPH has a max aperture of F2 while the Sigma 50mm F1.4 DG HSM A has a max aperture of F1.4.
We will start with briefly looking and the main specs of these two lenses and in the section, we will start analyzing in more detail and list the pros and cons of each lenses.